```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>最大子数组和算法解析</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
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    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', 'Noto Serif SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
        }
        .code-block {
            background-color: #1e293b;
            border-left: 4px solid #7c3aed;
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .concept-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
        }
        .first-letter {
            font-size: 3.5em;
            line-height: 0.8;
            float: left;
            margin-right: 0.2em;
            font-weight: 700;
            color: #4f46e5;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4">
        <div class="container mx-auto max-w-6xl">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl font-bold mb-6 leading-tight">最大子数组和<br>算法精解</h1>
                    <p class="text-xl opacity-90 mb-8">探索动态规划与Kadane算法的精妙之处，掌握高效解决连续子数组最大值问题的核心思想</p>
                    <div class="flex space-x-4">
                        <div class="bg-white text-indigo-600 px-6 py-3 rounded-full font-semibold hover:bg-opacity-90 transition cursor-pointer">
                            <i class="fas fa-play mr-2"></i>可视化演示
                        </div>
                        <div class="border border-white border-opacity-30 text-white px-6 py-3 rounded-full font-semibold hover:bg-white hover:bg-opacity-10 transition cursor-pointer">
                            <i class="fas fa-book-open mr-2"></i>算法原理
                        </div>
                    </div>
                </div>
                <div class="md:w-1/2">
                    <div class="bg-white bg-opacity-10 p-8 rounded-2xl backdrop-filter backdrop-blur-sm">
                        <div class="text-center">
                            <div class="inline-block p-4 rounded-lg bg-white bg-opacity-20 mb-6">
                                <i class="fas fa-project-diagram text-4xl"></i>
                            </div>
                            <h3 class="text-2xl font-bold mb-4">示例可视化</h3>
                            <p class="mb-6">数组: [-2, 1, -3, 